Datasheet Texas Instruments LMR14020SQDPRRQ1 — 数据表

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SNVSAG4A – NOVEMBER 2015 – REVISED JULY 2016 LMR14020-Q1 SIMPLE SWITCHER® 40 V, 2 A Step-Down Converter with 40 µA IQ
1 Features 3 Description The LMR14020-Q1 is a 40 V, 2 A step down
regulator with an integrated high-side MOSFET. With
a wide input range from 4 V to 40 V, it’s suitable for
various applications from industrial to automotive for
power conditioning from unregulated sources. An
extended family is available in 3.5 A and 5 A options
in pin-to-pin compatible packages, including
LMR14030-Q1 and LMR14050-Q1. The regulator’s
quiescent current is 40 ВµA in Sleep-mode, which is
suitable for battery powered systems. An ultra-low 1
ОјA current in shutdown mode can further prolong
battery life. A wide adjustable switching frequency
range allows either efficiency or external component
size to be optimized. Internal loop compensation
means that the user is free from the tedious task of
loop compensation design. This also minimizes the …